easy, one minutes i solve the problem
4 F5 f5 }/ R, y& O gtvb now,tvbnow,bttvbdivide into half, mean 6/ 6
+ R4 w K2 k2 ]# Ctvb now,tvbnow,bttvbtake the heavier 6 ping pong
+ ~- W' T* l& [( d- ntvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3
0 v3 d. {' i' z3 I! u公仔箱論壇take the the other 3 that have the equal weight, switch each to measure, the most important things is labeling the ping pong so that we can recognize |